CLOUDSTACK-5022: NullPointerException when invalid zone is passed into UsageEventUtils
Updating pom.xml version numbers for release 4.2.1

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Revert "Updating pom.xml version numbers for release 4.2.1"

This reverts commit 7fb9dcb131e1d2d5a7c87e0aab2929b772bcd008.
Updating pom.xml version numbers for release 4.2.1

Signed-off-by: Abhinandan Prateek <aprateek@apache.org>
Revert "Updating pom.xml version numbers for release 4.2.1"

This reverts commit 6ba071b159f5da6f86ff1b48cd6c2d555d60124d.